1 deb [trusted=yes] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu artful main 2 deb-src [trusted=yes] http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu artful main 3 deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful main 4 deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful main 5 deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-4.0 main 6 deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-4.0 main 7 deb [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-5.0 main 8 deb-src [trusted=yes] http://apt.llvm.org/artful/ llvm-toolchain-artful-5.0 main 9